Simplify 18 - 2[x + (x - 5)].

13 - x
13 - 4x
8 - 4x
28 - 4x

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120